ssystem is an OpenGL Solar System simulator. Visit the Sun, the
nine planets and a few major satellites (catalog based background stars are
also supported) with four camera modes.

Accuracy notes:
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Although ssystem is not 100% accurate I've tried to keep it as close
to reality as possible. However, ssystem's goal has always been visual
appearence rather than accuracy, so you may find many bugs in positioning
algorithms.

Only planets and Moon positions are within a range of real positions,
all other satellites (even though their orbits are, more or less, accurate)
are NOT in their real positions (yet).